print-atm.c no longer performs special handling for FORE headers; these
can no doubt be re-added at a later date.
print-fr.c is effectively a no-op.
print-llc.c has had the default_print_unaligned() call removed as
tcpdump no longer defines this function, however the prototype is still
present. Suggest we roll in a diff to use print_unknown_data().
The print_nfs.c changes are pretty extensive; this is partially because
LBL did a lot of cleanup and partially because I removed lots of
pointless changes away from the LBL style.
PR: 3371
mostly-Submitted by: Chris Timmons <skynyrd@opus.cts.cwu.edu>